Home / 12,555.09-18,819.27-5,967.36

Finding the Fourth Proportional to 12,555.09, 18,819.27 and 5,967.36

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Solution

The fourth proportional to 12,555.09, 18,819.27 and 5,967.36 is: 8,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.09 : 18,819.27 = 5,967.36 : x
  2. Step 2: Convert to fraction form
    12,555.09/18,819.27 = 5,967.36/x
  3. Step 3: Cross multiply
    12,555.09x = 18,819.27 × 5,967.36
  4. Step 4: Simplify right side
    12,555.09x = 112,301,359.03
  5. Step 5: Solve for x
    x = 112,301,359.03/12,555.09
  6. Step 6: Final answer
    x = 8,944.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.